[특허]Means and method for non-contact bar code label verification

[미국특허] Means and method for non-contact bar code label verification 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06K-007/10
출원번호	US-0592021 (1990-09-28)
발명자 / 주소	Hardesty John (Ervine CA) Barkan Edward (South Setauket NY) Barkan Christina S. (South Setauket NY) Fletcher Dean (Mission Viejo CA) Almeida Timothy (Santa Ana CA)
출원인 / 주소	Symbol Technologies, Inc. (Bohemia NY 02)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

A portable, conveniently usable, and inexpensive non-contact bar code verifier permits testing of bar code labels at some arbitrary but constant distance from the verifier. Means are provided for analog analysis of bar code label contrast levels, and for derivation of new, instructive indices characterizing the readability and print quality. Additionally, a new method for determination of absolute bar code label dimensions is disclosed. The method of calibration for arbitrary scanning distance and angle standardizes not only the verifier\s ability to measure absolute dimensions at unknown distances, but also its ability to discern contrast under arbitrary lighting conditions and scanning equipment. This is accomplished by employing calibration standards of known characteristics. Bar code verification information may be stored and/or employed for a variety of control and analytical functions as recognized in the art.

대표청구항 ▼

Apparatus for measuring a reflectivity characteristic of a target label of the type including a pattern of elements having less-reflective areas and more reflective areas, said apparatus comprising: at least one calibration standard suited for being placed at the location of said target label, said calibration standard including a pattern of elements having less-reflective areas and more-reflective areas; a radiation emitter configured to direct radiation to a plurality of points on said target label and said calibration standard; a detector positioned to receive radiation reflected from said target label and said calibration standard; circuitry connected to said detector for generating reflectivity data representing reflectivity conditions at a plurality of points on said target label and said calibration standard; a memory for storing known characteristics of said calibration standard; calibration means for receiving reflectivity data obtained when said calibration standard is placed in the location of said target label, for processing said reflectivity data to derive measured characteristics of said calibration standard, for comparing said measured characteristics of said calibration standard to known characteristics of said calibration standard, and for generating correction factors based on said comparison; and means for receiving said correction factors and for using said correction factors to process said reflectivity data obtained from said target label to provide said measurement of a reflectivity characteristic.

이 특허를 인용한 특허 (31) 인용/피인용 타임라인 분석

Biss,Charles E.; Longacre, Jr.,Andrew; Havens,William H.; Fletcher,Donna M.; Sonneville,Eunice, Apparatus and method for verifying print quality of an encoded indicium.
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Spitz Glenn Steven, Bar code evaluation system architectures and methods of calibration.
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Nahill, James; Hernadez, Mark; DiVentura, Sergio, Decodable indicia reading terminal with indicia analysis functionality.
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Nahill, James; Hernandez, Mark; DiVentura, Sergio, Decodable indicia reading terminal with indicia analysis functionality.
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Nahill, James; Hernandez, Mark; DiVentura, Sergio, Decodable indicia reading terminal with indicia analysis functionality.
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Nahill, James; Hernandez, Mark; DiVentura, Sergio, Decodable indicia reading terminal with indicia analysis functionality.
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Biss, Charles E.; Havens, William H.; Robinson, Michael D.; Balschweit, Paul; Fitch, Timothy R.; McCall, Melvin D.; Gomez, Garrison; McClaude, Mark A.; Longacre, Andrew; Sonneville, Eunice, Device and system for processing image data representing bar codes.
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Biss, Charles E.; Havens, William H.; Robinson, Michael D.; Balschweit, Paul; Fitch, Timothy R.; McCall, Melvin D.; Gomez, Garrison; McClaude, Mark A.; Longacre, Jr., Andrew; Sonneville, Eunice, Device and system for processing image data representing bar codes.
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Biss, Charles E.; Havens, William H.; Robinson, Michael D.; Balschweit, Paul; Fitch, Timothy R.; McCall, Melvin D.; Gomez, Garrison; McClaude, Mark A.; Longacre, Jr., Andrew; Sonneville, Eunice, Device and system for processing image data representing bar codes.
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Biss, Charles E.; Havens, William H.; Robinson, Michael D.; Balschweit, Paul; Fitch, Timothy R.; McCall, Melvin D.; Gomez, Garrison; McClaude, Mark A.; Longacre, Jr., Andrew; Sonneville, Eunice, Device and system for processing image data representing bar codes.
상세보기
Biss,Charles E.; Havens,William H.; Robinson,Michael D.; Balschweit,Paul; Fitch,Timothy R.; McCall,Melvin D.; Gomez,Garrison; McClaude,Mark A.; Longacre, Jr.,Andrew; Sonneville,Eunice, Device and system for verifying quality of bar codes.
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Meier,Timothy P.; Sakal,Joseph; Havens,William H.; Barber,Charles; Smith, II,George S., Identification card reader.
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Sussman Michael (51 Myrtle Ter. Winchester MA 01890) McKinley Harry R. (Southampton MA) Webb Robert H. (Lincoln MA), Image input device having optical deflection elements for capturing multiple sub-images.
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Madej, Dariusz J.; Trajkovic, Miroslav, Imaging system for reading target with multiple symbols.
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Borom, Michael Preston, Inventory verification system and method.
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Nakamura, Hiroshi, Method and apparatus for reading barcode information.
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Spitz Glenn Steven, Method and apparatus supporting high speed evaluation of bar code indicia.
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Spitz Glenn S. (Northport NY), Method and apparatus to enable the high speed evaluation of bar code indicia.
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Le Goff Stephen H. (Brentwood NY) Rosa Ralph (Oakdale NY), Method of collecting and adjusting bar code data from a laser bar code reader.
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Spitz Glenn Steven, Methods for scanning a succession of bar code symbols.
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Spitz Glenn Steven, Methods of calibrating bar code evaluation systems.
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Kennedy Julian J. (4624 Eyerly St. North Myrtle Beach SC), Multiplayer interactive video gaming device.
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Tan Chinh ; Li Yajun ; Stern Miklos, Optical scanner having a reflected light collector including holographic optical elements.
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Dvorkis, Paul; Barkan, Edward; Shepard, Howard; Tsi, David; Drzymala, Mark; Charych, Harold; Bridgelall, Raj, Optical scanner with segmented collection mirror.
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Paul Dvorkis ; Edward Barkan ; Howard Shepard ; David Tsi ; Mark Drzymala ; Harold Charych ; Raj Bridgelall, Optical scanner with segmented collection mirror.
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Dvorkis Paul ; Barkan Edward ; Shepard Howard ; Gurevich Vladimir ; Krichever Mark ; Metlitsky Boris ; Tsi David ; Bridgelall Raj ; He Duanfeng ; Katz Joseph ; Isaac Richard ; Kahn Joel, Optical scanners having dual surface optical elements for dual working ranges.
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Spitz Glenn Steven, Self-contained scanning and verifying apparatus with movably mounted scanning unit.
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Ruckart, John, Systems, methods and computer program products for aggregating contact information.
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Dvorkis, Paul, Two-dimensional optical code scanner with scanning pattern having region of greater apparent brightness for assisting alignment of scanning pattern.
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Herzig John,CAX, Verification of barcodes.
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Kennedy, Julian J.; Morris, Michael A.; Morris, Douglas E., Video gaming device and communications system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Means and method for non-contact bar code label verification 원문보기